package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        // 1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN, "用户需要登录！");
        }
        // 2. 查询行为实体数据
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (behaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"查询行为实体对象为空");
        }
        // 3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        Short type = dto.getType();
        if (type==0) {
            ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(
                    Query.query(Criteria.where("entryId")
                    .is(behaviorEntry.getId())
                    .and("articleId")
                    .is(dto.getArticleId())), ApUnlikesBehavior.class);
            if (apUnlikesBehavior!=null) {
                CustException.cust(AppHttpCodeEnum.DATA_EXIST,"已经操作为不喜欢！");
            }
            // 4. 如果不存在   添加不喜欢行为
            apUnlikesBehavior=new ApUnlikesBehavior();
            apUnlikesBehavior.setEntryId(apUnlikesBehavior.getId());
            apUnlikesBehavior.setArticleId(dto.getArticleId());
            apUnlikesBehavior.setCreatedTime(new Date());
            mongoTemplate.insert(apUnlikesBehavior);
        }
        // 5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
        mongoTemplate.remove(Query.query(Criteria.where("entryId")
                .is(behaviorEntry.getId())
                .and("articleId")
                .is(dto.getArticleId())), ApUnlikesBehavior.class);

        //发送不喜欢行为消息，用于文章行为汇总数量，更改文章热度
        NewBehaviorDTO newBehaviorDTO = new NewBehaviorDTO();
        newBehaviorDTO.setType(NewBehaviorDTO.BehaviorType.UNLIKES);
        newBehaviorDTO.setArticleId(dto.getArticleId());
        newBehaviorDTO.setAdd(dto.getType().intValue()==0?1:-1);
        rabbitTemplate.convertAndSend(
                HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE,
                JSON.toJSONString(newBehaviorDTO)
        );
        log.info("成功发送 不喜欢行为 消息内容：{}",newBehaviorDTO);
        return ResponseResult.okResult();
    }
}
